Display screen or portion thereof with graphical user interface



The FIGURE is a front view of a display screen or portion thereof with a graphical user interface.

The outermost broken line rectangle showing of the display screen and all other broken lines showing portions of the graphical user interface are included for the purpose of illustrating portions of the article and form no part of the claimed design. 

CLAIM We claim the ornamental design for a display screen or portion thereof with graphical user interface, as shown and described. 